| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77459471 |
| Locus Tag | Pfl01_3249 |
| Description | cystathionine gamma-lyase |
| Strain | Pseudomonas fluorescens A506 |
| GI | 387894053 |
| Locus Tag | PflA506_2875 |
| Description | Cystathionine beta-lyase |
| Strain | Pseudomonas entomophila L48 |
| GI | 104783023 |
| Locus Tag | PSEEN4039 |
| Description | cystathionine gamma-synthase |